Patents by Inventor Philippus R. J. Smits

Philippus R. J. Smits has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Roofing-material
    Patent number: 4565724
    Abstract: The invention relates to a roofing-material provided with perforations and comprising a bituminized carrier with a non-sticking lower surface and destined for being applied on a substratum and for being covered by an upper layer, which may contain a carrier which is bituminized with modified bitumen, and which may be applied by means of a torch.According to the invention the carrier of the roofing-material is bituminized with modified bitumen, and the perforations are so large that the upper layer can be directly applied on the roofing-material by means of a torch and can be adhered to the substratum via the perforations.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: January 21, 1986
    Assignee: CBL Consolidated Ltd. BS
    Inventor: Philippus R. J. Smits